In this lecture, we will derive expressions for the angular momentum and kinetic energy of a 3D rigid body. We shall see that this introduces the concept of the Inertia Tensor. Angular Momentum We start form the expression of the angular momentum of a system of particles about the center of mass

Lecture D34 Coupled Oscillators Spring-Mass System(Undamped/Unforced)

68.1Introduction 68.2 Early Analysis Programs Load Flow (Power Flow). Fault Analysis. Transient Stability. Fast Transients. Reliability. Economic Dispatch and Unit Commitment 68.3 The Second Generation of Programs Graphics Protection Other Uses for Load Flow Analysis

5-1空间汇交力系 5-2空间力偶系 5-3力对点的矩与力对轴的矩 5-4空间一般力系向一点的简化 5-5空间一般力系简化结果的讨论 5-6空间一般力系的平衡方程及应用 5-7平行力系的中心与物体的重心

女性性器解剖ヒ組織 anatomy of the reproductive system (1)骨盤(pelvis) (2)女性性器 外性器(external genital organs) 内性器(internal genital organs)

The Internal Reproductive Organs The Ovary卵巢 The Uterine tube输卵管 The Uterus子宫 The Vagina阴道 The Accessory Gland附属腺 The External Reproductive Organs

1.内膜一内皮下层薄层结缔组织 2.中膜—肌组织(平滑肌或心肌)+结缔组织 3.外膜疏松结缔组织

The set of variables is a hybrid set that may include both currents and voltages. They are the inductor currents and the capacitor voltages. Each of these quantities may be used directly to express the energy stored in the inductor or capacitor at any instant of time. They collectively describe the energy state of the system. They are called the state variables

一、经济制度 1、经济体制(economic system)一是指各种安排经济活动的制度与行为模式,是满足消费需要及资源配置的各种运作方式,如一国的法律、习惯、风俗、价值准则等即反映各种运作的方式。 2、经济体制受哪些因素的影响? (1)历史、文化、宗教的背景; (2)人口、自然资源、气候、地形等条件; (3)领袖人物所倡导的思想意识; (4)追求理想与达到目的的各种主张; (5)追求经济目标时,人民的尝试过的方法

Interactions within a package system refer to the exchange of mass and energy between the packaged food, the packaging material and the external environment. Food-packaging interactions can be defined as an interplay between food, packaging, and the environment, which produces an effect on the food, and/or package (Hotchkiss, 1997). Mass transfer processes in packaging systems are normally referred to as permeation, migration and absorption(fig8.1). Permeation is the process resulting from two basic mechanisms